/Engine/Plugins/FX/Niagara/Source/Niagara/Public/NiagaraComponent.h
Debug accessors for getting a FVector attribute array in blueprints. The attribute name should be without namespaces. For example for "Particles.Position", send "Position".
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category=Niagara, Meta=(DisplayName="Get Niagara Emitter Vec3 Attrib", DeprecatedFunction, DeprecationMessage="Get Niagara Emitter Vec3 Attrib is deprecated, use the particle export DI inside your emitter instead.")) [TArray](API\Runtime\Core\Containers\TArray)< FVector > GetNiagaraParticleValueVec3_DebugOnly ( const [FString](API\Runtime\Core\Containers\FString) & InEmitterName, const [FString](API\Runtime\Core\Containers\FString) & InValueName )